5.3 (10   Local phone numbers consist of seven numerals, the first three of which are common to many users.Until 1996 all toll-free numbers started with the area code 800. Assume that all digits for the rest of a number were possible, and determine how many toll-free 800 numbers there were.

Q: A- Explain the following • Random Experiments. • The Variance of data. Bayes' Theorem.

A: 1. Random Experiments: A Random Experiment is an experiment, trial, or observation that can be…

Q: Write a prime number and a composite number, both under 100, that are relatively prime.

A:

Q: How many different possible area codes are there if an area code is 3 digits long and cannot contain…

A: From the provided information, An area code is 3 digits long and cannot contain a 0 or have 1 or 9…

Q: 10. Convert 333 to a base five number. A. 2312FIVE B. 2313 FIVE 11. Convert 55 to a base two number.…

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Q: In the United States, zip copes are 5 digits. If each digit can be any integer from 0 to 9, how many…

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Q: A seven-character insurance account number must be four lowercase letters of the alphabet followed…

A: The number of lowercase letters in the alphabet is 26.

Q: first digit of the phone number can not be a U?

A: Given 10 digit phone numbers are there in Montana with an area code of 406 the first digit of the…

Q: 3. What is the missing digit (the 4th digit) from the UPC code 2 17 64 22001 2?

A: To find the missing digit of  any UPC code 3(sum of odd no places digit ) + 1(sum of even no places…

Q: Write decimal number 234 as binary

A:

Q: What is the simplest way to convert 15 to base 15 to a whole number?

A: 15 (base 15) = 1*15^1 + 5*15^0 = 15 + 5 = 20 So, 15 (base 15) = 20 (base 10)

Q: Convert each number to base ten. a. 100101two b. ABCDsixteen

A:

Q: The decimal equivalent of the given binary number 110101.101 ?

A: Consider the binary number, 110101.101

Q: Write each of the following numbers in base six and in base twelve. a. 74 202six; 62twelve b. 128…

A: Since the student has posted many sub-parts of the question and does not mention any specific part,…

Q: A social security number contains nine digits, such as 045-65-6879. How many different social…

A: Total no.of digits from (0 to 9)=10

Q: Suppose we want to form four-digit numbers using the set of digits {0,1, 6, 7, 9}. For example, 9071…

A: The first number can be selected in 4 ways. [ Any number from {1,6,7,9} ] The second number can be…

Q: An IP address can be written as a 32-bit number. For a class B network, the two most significant…

A: Given that : An IP address can be written as a 32 bit number for a class B network the two most…

Q: 1. How many numbers between 500 and 2100 are: a. Divisible by 3? b. Divisible by 5? c. Divisible by…

A: We are entitled to solve only 3 subparts of a questions so, I am providing you the same. Kindly…

Q: Convert the OCTAL NUMBER 162       8 to BINARY, DECIMAL and HEXA-DECIMAL.

A: Given :- OCTAL NUMBER - 162

Q: A social security number contains nine digits, such as 010-34-3709. How many different social…

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Q: Assuming that there will never be more than 500 million people in the United States before the year…

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Q: In what base does 26, +74, = 111,? The base, b, is (Type a whole number.)

A: Given: 26b+74b=111b

Q: The serial numbers of a manufactured computer chip contain 5 characters, with the following…

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Q: Make a number line in base six showing the numbers from 0 to 100.

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Q: Which is the scientific notation of this number to three significant figures? (by "to" three sig…

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Q: Before 1995, area codes for phone numbers had the following format: NNN, where first digit couldn’t…

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Q: How many posible 5-digit zip codes exist if the first number must be from 3 and 9, the last number…

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Q: In how many ways can a 4-letter code word be formed from the letters of the word CHECKBOOK?

A: Please comment down for any doubt. I hope my answer helps you.

Q: How many different possible area codes are there if an area code is 3 digits long and cannot contain…

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Q: We usually write numbers in decimal form (or base 10), meaning numbers are composed using 10…

A: The objective is to form the letters asked in the question, using the {0,1,...,9,A,B,...,F}.

Q: In Alberta, a 9-1-1 dispatch center receives an average of 3.763 calls per day (that is, per a given…

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Q: Ahmed must choose a seven-digit PIN number and each digit can be chosen from 0 to 9. How many…

A: We have to find no. of possible pins.

Q: It costs $6.75 to play a very simple game, in which a dealer gives you one card from a deck of 52…

A: The cost of the game is $6.75.

Q: Shannon was born on 02/22/1982. How many eight-digit codes could she make using the digits on her…

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Counting Principles

In statistics, the counting principle can be said to be the concept in which the quantity of an item is determined. There can be a single item, or a group of items, or items that are related to each other. In every possible set of items, the quantity of the possible item groups or their sorting measures can be determined with counting principles.